package repository

import (
	"strings"
	"time"

	"be.ems/src/framework/datasource"
	"be.ems/src/framework/logger"
	"be.ems/src/framework/utils/parse"
	"be.ems/src/framework/utils/repo"
	"be.ems/src/modules/network_element/model"
)

// 实例化数据层 NewNeLicense 结构体
var NewNeLicenseImpl = &NeLicenseImpl{
	selectSql: `select 
	id, ne_type, ne_id, activation_request_code, license_path, serial_num, expiry_date, status, remark, create_by, create_time, update_by, update_time 
	from ne_license`,

	resultMap: map[string]string{
		"id":                      "ID",
		"ne_type":                 "NeType",
		"ne_id":                   "NeId",
		"activation_request_code": "ActivationRequestCode",
		"license_path":            "LicensePath",
		"serial_num":              "SerialNum",
		"expiry_date":             "ExpiryDate",
		"status":                  "Status",
		"remark":                  "Remark",
		"create_by":               "CreateBy",
		"create_time":             "CreateTime",
		"update_by":               "UpdateBy",
		"update_time":             "UpdateTime",
	},
}

// NeLicenseImpl 网元授权激活信息 数据层处理
type NeLicenseImpl struct {
	// 查询视图对象SQL
	selectSql string
	// 结果字段与实体映射
	resultMap map[string]string
}

// convertResultRows 将结果记录转实体结果组
func (r *NeLicenseImpl) convertResultRows(rows []map[string]any) []model.NeLicense {
	arr := make([]model.NeLicense, 0)
	for _, row := range rows {
		item := model.NeLicense{}
		for key, value := range row {
			if keyMapper, ok := r.resultMap[key]; ok {
				repo.SetFieldValue(&item, keyMapper, value)
			}
		}
		arr = append(arr, item)
	}
	return arr
}

// SelectPage 根据条件分页查询字典类型
func (r *NeLicenseImpl) SelectPage(query map[string]any) map[string]any {
	// 查询条件拼接
	var conditions []string
	var params []any
	if v, ok := query["neType"]; ok && v != "" {
		conditions = append(conditions, "ne_type = ?")
		params = append(params, strings.Trim(v.(string), " "))
	}
	if v, ok := query["neId"]; ok && v != "" {
		conditions = append(conditions, "ne_id = ?")
		params = append(params, strings.Trim(v.(string), " "))
	}
	if v, ok := query["expiryDate"]; ok && v != "" {
		conditions = append(conditions, "expiry_date = ?")
		params = append(params, strings.Trim(v.(string), " "))
	}
	if v, ok := query["createBy"]; ok && v != "" {
		conditions = append(conditions, "create_by like concat(?, '%')")
		params = append(params, strings.Trim(v.(string), " "))
	}

	// 构建查询条件语句
	whereSql := ""
	if len(conditions) > 0 {
		whereSql += " where " + strings.Join(conditions, " and ")
	}

	result := map[string]any{
		"total": 0,
		"rows":  []model.NeHost{},
	}

	// 查询数量 长度为0直接返回
	totalSql := "select count(1) as 'total' from ne_license"
	totalRows, err := datasource.RawDB("", totalSql+whereSql, params)
	if err != nil {
		logger.Errorf("total err => %v", err)
		return result
	}
	total := parse.Number(totalRows[0]["total"])
	if total == 0 {
		return result
	} else {
		result["total"] = total
	}

	// 分页
	pageNum, pageSize := repo.PageNumSize(query["pageNum"], query["pageSize"])
	pageSql := " limit ?,? "
	params = append(params, pageNum*pageSize)
	params = append(params, pageSize)

	// 查询数据
	querySql := r.selectSql + whereSql + pageSql
	results, err := datasource.RawDB("", querySql, params)
	if err != nil {
		logger.Errorf("query err => %v", err)
		return result
	}

	// 转换实体
	result["rows"] = r.convertResultRows(results)
	return result
}

// SelectList 根据实体查询
func (r *NeLicenseImpl) SelectList(neLicense model.NeLicense) []model.NeLicense {
	// 查询条件拼接
	var conditions []string
	var params []any
	if neLicense.NeType != "" {
		conditions = append(conditions, "ne_type = ?")
		params = append(params, neLicense.NeType)
	}
	if neLicense.NeId != "" {
		conditions = append(conditions, "ne_id = ?")
		params = append(params, neLicense.NeId)
	}
	if neLicense.ExpiryDate != "" {
		conditions = append(conditions, "expiry_date = ?")
		params = append(params, neLicense.ExpiryDate)
	}
	if neLicense.CreateBy != "" {
		conditions = append(conditions, "create_by like concat(?, '%')")
		params = append(params, neLicense.CreateBy)
	}

	// 构建查询条件语句
	whereSql := ""
	if len(conditions) > 0 {
		whereSql += " where " + strings.Join(conditions, " and ")
	}

	// 查询数据
	querySql := r.selectSql + whereSql + " order by id asc "
	results, err := datasource.RawDB("", querySql, params)
	if err != nil {
		logger.Errorf("query err => %v", err)
	}

	// 转换实体
	return r.convertResultRows(results)
}

// SelectByIds 通过ID查询
func (r *NeLicenseImpl) SelectByIds(cmdIds []string) []model.NeLicense {
	placeholder := repo.KeyPlaceholderByQuery(len(cmdIds))
	querySql := r.selectSql + " where id in (" + placeholder + ")"
	parameters := repo.ConvertIdsSlice(cmdIds)
	results, err := datasource.RawDB("", querySql, parameters)
	if err != nil {
		logger.Errorf("query err => %v", err)
		return []model.NeLicense{}
	}
	// 转换实体
	return r.convertResultRows(results)
}

// Insert 新增信息
func (r *NeLicenseImpl) Insert(neLicense model.NeLicense) string {
	// 参数拼接
	params := make(map[string]any)
	if neLicense.NeType != "" {
		params["ne_type"] = neLicense.NeType
	}
	if neLicense.NeId != "" {
		params["ne_id"] = neLicense.NeId
	}
	if neLicense.ActivationRequestCode != "" {
		params["activation_request_code"] = neLicense.ActivationRequestCode
	}
	if neLicense.LicensePath != "" {
		params["license_path"] = neLicense.LicensePath
	}
	if neLicense.SerialNum != "" {
		params["serial_num"] = neLicense.SerialNum
	}
	if neLicense.ExpiryDate != "" {
		params["expiry_date"] = neLicense.ExpiryDate
	}
	if neLicense.Status != "" {
		params["status"] = neLicense.Status
	}
	if neLicense.Remark != "" {
		params["remark"] = neLicense.Remark
	}
	if neLicense.CreateBy != "" {
		params["create_by"] = neLicense.CreateBy
		params["create_time"] = time.Now().UnixMilli()
	}

	// 构建执行语句
	keys, placeholder, values := repo.KeyPlaceholderValueByInsert(params)
	sql := "insert into ne_license (" + strings.Join(keys, ",") + ")values(" + placeholder + ")"

	db := datasource.DefaultDB()
	// 开启事务
	tx := db.Begin()
	// 执行插入
	err := tx.Exec(sql, values...).Error
	if err != nil {
		logger.Errorf("insert row : %v", err.Error())
		tx.Rollback()
		return ""
	}
	// 获取生成的自增 ID
	var insertedID string
	err = tx.Raw("select last_insert_id()").Row().Scan(&insertedID)
	if err != nil {
		logger.Errorf("insert last id : %v", err.Error())
		tx.Rollback()
		return ""
	}
	// 提交事务
	tx.Commit()
	return insertedID
}

// Update 修改信息
func (r *NeLicenseImpl) Update(neLicense model.NeLicense) int64 {
	// 参数拼接
	params := make(map[string]any)
	if neLicense.NeType != "" {
		params["ne_type"] = neLicense.NeType
	}
	if neLicense.NeId != "" {
		params["ne_id"] = neLicense.NeId
	}
	if neLicense.ActivationRequestCode != "" {
		params["activation_request_code"] = neLicense.ActivationRequestCode
	}
	if neLicense.LicensePath != "" {
		params["license_path"] = neLicense.LicensePath
	}
	if neLicense.SerialNum != "" {
		params["serial_num"] = neLicense.SerialNum
	}
	if neLicense.ExpiryDate != "" {
		params["expiry_date"] = neLicense.ExpiryDate
	}
	if neLicense.Status != "" {
		params["status"] = neLicense.Status
	}
	if neLicense.Remark != "" {
		params["remark"] = neLicense.Remark
	}
	if neLicense.UpdateBy != "" {
		params["update_by"] = neLicense.UpdateBy
		params["update_time"] = time.Now().UnixMilli()
	}

	// 构建执行语句
	keys, values := repo.KeyValueByUpdate(params)
	sql := "update ne_license set " + strings.Join(keys, ",") + " where id = ?"

	// 执行更新
	values = append(values, neLicense.ID)
	rows, err := datasource.ExecDB("", sql, values)
	if err != nil {
		logger.Errorf("update row : %v", err.Error())
		return 0
	}
	return rows
}

// DeleteByIds 批量删除信息
func (r *NeLicenseImpl) DeleteByIds(cmdIds []string) int64 {
	placeholder := repo.KeyPlaceholderByQuery(len(cmdIds))
	sql := "delete from ne_license where id in (" + placeholder + ")"
	parameters := repo.ConvertIdsSlice(cmdIds)
	results, err := datasource.ExecDB("", sql, parameters)
	if err != nil {
		logger.Errorf("delete err => %v", err)
		return 0
	}
	return results
}